| GrapeCity.ActiveReports.Viewer.Win.v9 Assembly > GrapeCity.Viewer.Common.Model Namespace > TocTreeNode Class : CollectionChanged Event |
'Declaration Public Event CollectionChanged As NotifyCollectionChangedEventHandler
public event NotifyCollectionChangedEventHandler CollectionChanged
The event handler receives an argument of type NotifyCollectionChangedEventArgs containing data related to this event. The following NotifyCollectionChangedEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Action | |
| NewItems | |
| NewStartingIndex | |
| OldItems | |
| OldStartingIndex |